2017-11-13 23:14 GMT+01:00 Rob Hallam <ffmpeg at roberthallam.com>: > If you wanted to convert it back this > could work? > > $ ffmpeg -i IMG_044.JPG -pix_fmt yuvj422p IMG_044-yuvj422p.JPG It may be even better to repeat the correction and tell irfanview to write a 4:2:2 file... Carl Eugen